Pet toilet



FIG. 1 is a perspective view of a pet toilet, showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof; and,

FIG. 6 is a right side view thereof, the left side view being a mirror image of the right side view.

The broken lines depict portions of the pet toilet that form no part of the claimed design. 

CLAIM The ornamental design for a pet toilet, as shown and described. 